68653840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 177310080

約数和(自身を除く): 108656240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 47, 62, 76, 80, 94, 95, 124, 152, 155, 188, 190, 235, 248, 304, 310, 376, 380, 470, 496, 589, 620, 752, 760, 893, 940, 961, 1178, 1240, 1457, 1520, 1786, 1880, 1922, 2356, 2480, 2914, 2945, 3572, 3760, 3844, 4465, 4712, 4805, 5828, 5890, 7144, 7285, 7688, 8930, 9424, 9610, 11656, 11780, 14288, 14570, 15376, 17860, 18259, 19220, 23312, 23560, 27683, 29140, 35720, 36518, 38440, 45167, 47120, 55366, 58280, 71440, 73036, 76880, 90334, 91295, 110732, 116560, 138415, 146072, 180668, 182590, 221464, 225835, 276830, 292144, 361336, 365180, 442928, 451670, 553660, 722672, 730360, 858173, 903340, 1107320, 1460720, 1716346, 1806680, 2214640, 3432692, 3613360, 4290865, 6865384, 8581730, 13730768, 17163460, 34326920, 68653840]

約数ペア:

[(1, 68653840), (2, 34326920), (4, 17163460), (5, 13730768), (8, 8581730), (10, 6865384), (16, 4290865), (19, 3613360), (20, 3432692), (31, 2214640), (38, 1806680), (40, 1716346), (47, 1460720), (62, 1107320), (76, 903340), (80, 858173), (94, 730360), (95, 722672), (124, 553660), (152, 451670), (155, 442928), (188, 365180), (190, 361336), (235, 292144), (248, 276830), (304, 225835), (310, 221464), (376, 182590), (380, 180668), (470, 146072), (496, 138415), (589, 116560), (620, 110732), (752, 91295), (760, 90334), (893, 76880), (940, 73036), (961, 71440), (1178, 58280), (1240, 55366), (1457, 47120), (1520, 45167), (1786, 38440), (1880, 36518), (1922, 35720), (2356, 29140), (2480, 27683), (2914, 23560), (2945, 23312), (3572, 19220), (3760, 18259), (3844, 17860), (4465, 15376), (4712, 14570), (4805, 14288), (5828, 11780), (5890, 11656), (7144, 9610), (7285, 9424), (7688, 8930)]